1960447

Information

• Patent Grant
• 1960447

• References
• Source

• Patent Number

  1,960,447

• Date Filed

  Not available

• Date Issued

  Tuesday, May 29, 1934
  90 years ago

• CPC

  • B24B39/06 - designed for working plane surfaces
  • B24B39/065 - Graining of metal plates

• US Classifications

  • 451 - Abrading